Maintained by Master Gardeners and open to the public.
Waterwise Garden, E. Monroe Avenue at Simpson Park in Alexandria, demonstrates a low maintenance garden in an exposed, dry area.
Simpson Park Gardens, E. Monroe Avenue at the end of Leslie Avenue, past the YMCA, in Alexandria; contains butterfly, scented, and tufa gardens.
Organic Vegetable Garden at Potomac Overlook Regional Park on Marcy Road in Arlington demonstrates organic gardening techniques.
Rock Quarry Shade Garden at Bon Air Park on Wilson Blvd and N. Lexington Street in Arlington is a garden with rocks, slopes, shade, part-shade and sun.
Sunny Garden, also at Bon Air Park in Arlington, displays plants that thrive in the sun.
Glencarlyn Library Community Garden, off Carlin Springs Road in Arlington, consists of a series of theme gardens.